Memory efficient inverse noise covariance operators for litebird_sim#13

Merged

anand-avinash merged 9 commits intomainfrom

memefficient_cov

Sep 5, 2025

Commits on Sep 4, 2025

make size a property of noise covariance operators
anand-avinash
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removed rtol argument from brahmap.math.cg(), although it was implemented similarly to scipy.sparse.linalg.cg(), it causes the stopping criteria to become dynamic, depending on the norm of vector b…
anand-avinash
committed

Commits on Sep 5, 2025

the classes BlockDiagNoiseCovLO and BlockDiagInvNoiseCovLO can now accept a dict mapping block size to the noise property as block_input. This enables using a single instance of noise operator mult…
anand-avinash
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updated LBSim_InvNoiseCovLO_UnCorr to allow repeating similar inverse covariance blocks by reference
anand-avinash
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updated LBSim_InvNoiseCovLO_Circulant to allow repeating similar inverse covariance blocks by reference
anand-avinash
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updated LBSim_InvNoiseCovLO_Toeplitz to allow repeating similar inverse covariance blocks by reference
anand-avinash
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it is now possible to keep track of the number of iterations before pcg converges for inverse Toeplitz covariance
anand-avinash
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added more files to execute_example script
anand-avinash
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removed the test on number of itearations as convergence is all that matters
anand-avinash
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